(19)

(11)

EP 1 050 010 A1

(12)

(43) Date of publication: 08.11.2000 Bulletin 2000/45 (21) Application number: 98953891.3 (22) Date of filing: 22.10.1998

(51) International Patent Classification (IPC)7: G06K 9/00, G06K 9/46, G06F 3/00 (86) International application number: PCT/US9822/392 (87) International publication number: WO 9921/122 (29.04.1999 Gazette 1999/17)

(84) Designated Contracting States: BE CH DE DK ES FI FR GB GR IE IT LI NL SE (30) Priority: 22.10.1997 US 63135 P 29.12.1997 US 68713 P (71) Applicant: Ascent Technology Inc. Boulder, CO 80304 (US)	(72) Inventors: SEARS, James, T. Boulder, CO 80304-3723 (US) GOLDBERG, David, A. Boulder, CO 80303 (US) (74) Representative: Waxweiler, Jean et al Dennemeyer & Associates S.A.,P.O. Box 1502 1015 Luxembourg 1015 Luxembourg (LU)